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- milestone 1
milestone
noun
mile·stone
ˈmī(-ə)l-ˌstōn 
1
: a stone serving as a milepost (see milepost sense 1)
2
: a significant point in development
Graduating from college was an important milestone in her life.
Synonyms
Examples of milestone in a Sentence
the new drug was regarded as a milestone in the treatment of heart disease
Recent Examples on the Web
John Moore/Getty Images Mixed emotions in Newtown Graduation day comes with mixed emotions, like other milestones.
—
Alice Gainer, CBS News, 12 June 2024
Then, Gossamer could receive up to $146 million in regulatory milestones and $180 million in sales milestones.
—Natallie Rocha, San Diego Union-Tribune, 12 June 2024
While a major milestone was reached when Starliner successfully docked and delivered two NASA astronauts at the International Space Station (ISS) on June 6, the leaks mark the latest of several hurdles faced during this mission, including previous helium leaks and a thruster issue.
—Mary Kekatos, ABC News, 11 June 2024
A lot of things happening, and the kids are growing — different milestones.
—John Shipley, Twin Cities, 8 June 2024
See all Example Sentences for milestone 
Alice Gainer, CBS News, 12 June 2024
Then, Gossamer could receive up to $146 million in regulatory milestones and $180 million in sales milestones.
—Natallie Rocha, San Diego Union-Tribune, 12 June 2024
While a major milestone was reached when Starliner successfully docked and delivered two NASA astronauts at the International Space Station (ISS) on June 6, the leaks mark the latest of several hurdles faced during this mission, including previous helium leaks and a thruster issue.
—Mary Kekatos, ABC News, 11 June 2024
A lot of things happening, and the kids are growing — different milestones.
—John Shipley, Twin Cities, 8 June 2024
See all Example Sentences for milestone
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'milestone.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“Milestone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/milestone. Accessed 17 Jun. 2024.
Copy CitationKids Definition
milestone
noun
mile·stone
ˈmī(ə)l-ˌstōn
1
: a milepost made of stone
2
: an important point in progress or development
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